2816840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5417}}^1$

素因数の和:5441

約数の個数: 32

約数和(自身を含む): 6826680

約数和(自身を除く): 4009840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 5417, 10834, 21668, 27085, 43336, 54170, 70421, 108340, 140842, 216680, 281684, 352105, 563368, 704210, 1408420, 2816840]

約数ペア:

[(1, 2816840), (2, 1408420), (4, 704210), (5, 563368), (8, 352105), (10, 281684), (13, 216680), (20, 140842), (26, 108340), (40, 70421), (52, 54170), (65, 43336), (104, 27085), (130, 21668), (260, 10834), (520, 5417)]